Erysiphe clandestina Wallr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Podosphaera species Podosphaera clandestina Name Homonyms Erysiphe clandestina Biv. Erysiphe clandestina (Wallr.) Link Erysiphe clandestina Wallr.